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产品特点
· 额定z大 17.5 kV, 25 kA 或者 24 kV, 20 kA
· 母线、馈线电流 630 A
· 工厂装配，经型式试验，满足IEC 62271-200, GB 3906, GB 3804, GB 1984, GB 16926标准
· 金属封闭
· 单母线
· 气体绝缘，终身密封
· 左右两侧可扩展
· 单元式、组合式可选
Feature
-
Up to 17.5 kV, 25 kA or 24 kV, 20 kA
-
Busbar 630 A, feeders up to 630 A
-
Factory assembled, type tested switchgear acc. to IEC 62271-200
-
metal-enclosed
-
Single busbar
-
Gas-insulated, sealed for life
-
Flexible due to extension option and block formation
-
Individual panels and block versions
技术参数 Technical data
|
额定电压 Rated voltage |
kV |
12 |
24 |
|
|
额定频率 Rated frequency |
Hz |
50/60 |
50/60 |
|
|
额定短时工频耐压 Rated power-frequency withstand voltage |
kV |
42 |
65 |
|
|
额定雷电冲击耐压 Rated lightning impulse withstand voltage |
kV |
75 |
125 |
|
|
额定峰值耐受电流 Rated peak withstand current |
up to kA |
63 |
50 |
|
|
额定短路关合电流 Rated short-circuit making current |
up to kA |
63 |
50 |
|
|
额定短时耐受电流 Rated short-time withstand current |
2 s |
up to kA |
25 |
20 |
|
4 s |
up to kA |
20 |
20 |
|
|
额定短路开断电流 Rated short-circuit breaking current |
up to kA |
25 |
20 |
|
|
额定母线电流 Rated normal current for busbar |
up to A |
630 |
||
|
环境温度 Ambient air temperature |
不带二次设备 Without secondary equipment |
°C |
-25/-40* to +70 |
|
|
带二次设备 With secondary equipment |
°C |
-5/-15*/-25* to +55 |
||
|
存储 / 运输 Storage/transport |
°C |
-40 to +70 |
||
|
防护等级 Degree of protection |
一次部分 Primary part |
|
IP67 |
|
|
柜体外壳 Switchgear |
|
IP2X / IP3X |
||
|
二次部分 Secondary part |
|
IP3X / IP4X |
||
|
内部燃弧等级* IAC* |
靠墙安装 Wall-standing arrangement |
|
A FL up to 21kA (1s) |
|
|
自由安装* Free-standing arrangement* |
|
A FLR up to 21kA (1s) |
||
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